/*
 * Copyright (c) 2022, yifengling0. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. No personal names or organizations' names associated with the
 *    Atomthreads project may be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE ATOMTHREADS PROJECT AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include "atom.h"
#include "wdt.h"

void WdtKeepAlive(void)
{
    FD device;

    device = open("wdt", 0, 0);
    if (device == ERR_FD)
    {
        return;
    }

    /* update to RTC device. */
    ioctl(device, DEVICE_CTRL_WDT_KEEPALIVE, NULL);
}

uint32_t WdtGetTimeout(void)
{
    FD device;
    uint32_t timeout = 0;

    device = open("wdt", 0, 0);
    if (device == ERR_FD)
    {
        return timeout;
    }

    /* update to RTC device. */
    ioctl(device, DEVICE_CTRL_WDT_GET_TIMEOUT, &timeout);

    return timeout;
}

void WdtSetTimeout(uint32_t timeout)
{
    FD device;

    device = open("wdt", 0, 0);
    if (device == ERR_FD)
    {
        return;
    }

    /* update to RTC device. */
    ioctl(device, DEVICE_CTRL_WDT_SET_TIMEOUT, &timeout);
}

void WdtCreate(Wdt *wdt, PFIOCTL ioctl)
{
    wdt->super.popen = NULL;
    wdt->super.pioctl = ioctl;
    wdt->super.pread = NULL;
    wdt->super.pwrite = NULL;
    wdt->super.pclose = NULL;

    IosDrvInstall(&wdt->super, "wdt");
}